A cross-platform, open-source, alternative to NIST REFPROP. Based on reference-accuracy equations of state and transport property correlations for refrigerants like Water, CO2, R134a, Nitrogen, Argon, Ammonia, Air, R404a, R410a, Propane and many others. A selection of secondary working fluid properties are also available. Can also make use of REFPROP when available.
In addition, calculations for Humid Air Properties based on ASHRAE RP-1485 are provided.
Wrappers are available for MATLAB, Octave, Python, C#, Fortran and many more.

PortMedia offers free, cross-platform, open-source I/O libraries for digital media including MIDI, video, and audio (see www.portaudio.com). Most work is in C to facilitate interoperabilty with many languages and systems.

Syllable Desktop is a complete operating system that is easy to use, powerful, lightweight and extraordinarily fast and responsive. It has its own kernel, filesystem, GUI and applications. Syllable Server is a matching small and efficient Linux server.

BO2K is a remote administration tool for Windows systems. It comes with a client and a server. The server is lightweight and unobtrusive. A dynamic plugin architechture allows for easy system extension.
For those individuals that think there is a virus in the download see this link: http://www.bo2k.com/feedback.html

The Okapi Framework is a set of components and tools for localization and translation tasks. THE NEWEST JAVA-BASED VERSION OF OKAPI IS AVAILABLE AT: http://code.google.com/p/okapi/ The version on SourceForge is kept for maintenance purpose only.

WideStudio is an Integrated Development Environment (IDE) for building window applications in C++, Ruby, Python an Perl for Windows, MacOSX, Linux, FreeBSD, SOLARIS and other unix and BTRON and T-Engine. This is open and free (under MIT/X Consortiun Lice